Your body responds to stress by releasing hormones that increase your heart and breathing rates and ready your muscles to respond. Yet if your stress response doesn't stop firing, and these stress levels stay elevated far longer than is necessary for survival, it can take a toll on your health.
Answer:
Excitatory
Explanation:
Mostly drugs are taken to increase the effects of neurotransmitters and these drugs are mostly excitatory in nature. Like amphetamine is used by students to remain wake up and focused while studying.